(19)
(11) EP 4 190 526 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
14.06.2023 Bulletin 2023/24

(43) Date of publication A2:
07.06.2023 Bulletin 2023/23

(21) Application number: 22207918.8

(22) Date of filing: 16.11.2022
(51) International Patent Classification (IPC): 
B29B 17/00(2006.01)
B29B 17/04(2006.01)
B29K 23/00(2006.01)
B29K 67/00(2006.01)
B29K 55/02(2006.01)
 B29B 17/02(2006.01)
B29K 1/00(2006.01)
B29K 27/06(2006.01)
B29K 77/00(2006.01)
(52) Cooperative Patent Classification (CPC):
B29B 17/02; B29B 2017/0476; B29K 2001/00; B29B 2017/0279; B29B 2017/0234; B29B 2017/0268; B29B 17/0412; B29B 17/0042; B29B 2017/0237; B29K 2023/06; B29K 2023/12; B29K 2067/003; B29K 2027/06; B29K 2077/00; B29K 2055/02
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 02.12.2021 US 202117541138

(71) Applicant: Continuus Materials Intellectual Property, LLC
The Woodlands, Texas 77382 (US)

(72) Inventors:
  • FISHER, Kasey
    The Woodlands, TX 77382 (US)
  • SUPUT, Marko
    The Woodlands, TX 77382 (US)
  • SPENCER, Matthew
    The Woodlands, TX 77382 (US)
  • WINTEROWD, Jack G.
    The Woodlands, TX 77382 (US)

(74) Representative: Marks & Clerk LLP 
15 Fetter Lane
London EC4A 1BW
London EC4A 1BW (GB)

   


(54) ROOF COVER BOARD WITH IMPROVED FRAGMENT SIZE AND PLASTIC-TO-PAPER RATIO


(57) Disclosed herein is a roof cover board and a method of manufacturing an improved cover board product. The method includes receiving waste materials or first use materials, the waste materials or first use materials containing a mixture of cellulose, plastic and other materials; separating the cellulose and the plastic from the mixture; shredding the separated cellulose using a first shredder into a stream of cellulose and shredding the separated plastic using a second shredder into a stream of plastic; selecting a cellulose to plastic ratio from a plurality of cellulose to plastic ratios; metering shredded cellulose from the stream of cellulose and shredded plastic from the stream of plastic according to the selected cellulose to plastic ratio; mixing the metered shredded cellulose and plastic; forming said mixture into a mat; and consolidating the mat into a finished good using heat and pressure.







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